// The following lines can be commented out to use the values already stored in the DS1307 rtc.setDOW(SUNDAY); // Set Day-of-Week to SUNDAY rtc.setTime(12, 0, 0); // Set the time to 12:00:00 (24hr format) rtc.setDate(3, 10, 2010); // Set the date to October 3th, 2010